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Unread 10-01-2016, 20:58
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Re: Rotation of a part independent of the base

You could use an accelerometer/gyro like the navX board to track the prism, and have a slew ring with a motor to turn the cylinder opposite of the prism. Assuming that the prim is the robot and the cylinder would presumably be a mechanism.

EDIT: rzoeller beat me to it
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